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Maradyne MFA127 Louver Kit with 2 inch flexible hose and 10 inch duct

Maradyne

Maradyne MFA127 Louver Kit 2 in Flex Hose 10 in Duct

SKU CH-11FJ-EAJMB

A louver kit for compatible heaters with 2 in flex hose and 10 in duct included

  • TypeAutomotive Service & Shop Tools
  • ColorTransparent
  • Compatible with multiple heater models including H-503012 and H-803012
  • Includes 2 in by 10 in flex duct for direct installation
  • Transparent colour allows visual inspection of airflow
  • Designed as a louver kit for solar heating systems
  • Matches Grainger part numbers 45EC03, 45EC04, 45EC07, 45EC08

Product identity

The Maradyne MFA127 Louver Kit is a solar‑category accessory designed for automotive service and shop environments. It provides a transparent louver assembly with a 2‑inch flexible hose and a 10‑inch flux duct for directing airflow in compatible heating systems.

Thermals and power

The kit operates passively within the heater unit, adding no electrical load or moving parts. Airflow restriction is minimal, so the host heater maintains its normal thermal output and noise profile without additional power draw.

Bundled impact

Included ducting connects directly to manufacturer models H‑503012 and H‑803012, matching Grainger part numbers 45EC03, 45EC04, 45EC07 and 45EC08. Installers who need a different hose length or a non‑transparent finish will need separate components.

Highlights

  • Compatible with multiple heater models including H-503012 and H-803012
  • Includes 2 in by 10 in flex duct for direct installation
  • Transparent colour allows visual inspection of airflow
  • Designed as a louver kit for solar heating systems
  • Matches Grainger part numbers 45EC03, 45EC04, 45EC07, 45EC08

Specifications

BrandMARADYNE
TypeAutomotive Service & Shop Tools
ColorTransparent

Questions about this item

How do I fit the 2 in flex hose onto the 10 in duct without kinking it?

Slide the hose over the duct end, centre it, then tighten the clamp evenly so the hose stays straight and seals.

When should I replace the transparent louver vanes?

Replace them if they crack, warp or no longer close fully, typically after several seasons of sun exposure.

What limits airflow first when the heater runs continuously?

The 2 in hose diameter restricts volume before the 10 in duct or louver opening does.

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